import frosty

var
  data = someArbitraryDataFactory()
  handle = openFileStream("somefile", fmWrite)
# write serialized data into the file handle
freeze(handle, data)
close handle

import frosty

var
  data: SomeArbitraryType
  handle = openFileStream("somefile", fmRead)
# read deserialized data from the file handle
thaw(handle, data)
close handle

import frosty

# adhoc serialization and deserialization
var brrr = freeze("my data")
assert thaw[string](brrr) == "my data"